The sheriff’s office issued a press release Wednesday afternoon saying an investigation is underway into the civilian, non-sworn employee.

The employee was working in the evidence room, the release says.

It was not disclosed in the press release what substance the employee was believed to be under the influence of or what specific behavior prompted the termination and investigation.

Lt. Matt Jensen of the Weber County Sheriff’s Office said Wednesday that two investigations are underway regarding the incident: one conducted internally by the sheriff’s office and another being conducted by the Weber County Attorney’s Office.

The release says “multiple steps” have been taken by the sheriff’s office to preserve the integrity of the evidence where the employee worked.

Jensen said an evidence audit team is examining all evidence in the room for possible contamination. Both investigations are active and ongoing, Jensen said.

These types of incidents are “extremely rare,” according to the release. Jensen said in his 18 years at the sheriff’s office, nothing like this has happened before.

Jensen would not say when the incident occurred, citing the ongoing investigation.